The roots of the equation $\left|\begin{array}{lll}x & \alpha & 1 \\ \beta & x & 1 \\ \beta & \gamma & 1\end{array}\right|=0$ are independent of

• Correct answer
  A

  $\alpha$
• B

  $\beta$
• C

  $\gamma$
• D

  $\alpha, \beta$ and $\gamma$

Hence, the correct answer is option: 'A'.